One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,6,4)(3,7,11,9)(5,12,13,8)(10,15,16,14)(17,18,23,25)(19,24,27,31)(20,22,29,32)(21,26,28,30)(33,34,38,40)(35,42,37,39)(36,41,46,45)(43,48,44,47)(1,3,6,11)(2,7,4,9)(5,10,13,16)(8,14,12,15)(17,19,23,27)(18,24,25,31)(20,28,29,21)(22,30,32,26)(33,35,38,37)(34,39,40,42)(36,44,46,43)(41,48,45,47)(2,4)(7,9)(8,12)(14,15)(18,25)(19,27)(20,29)(26,30)(34,40)(39,42)(41,45)(47,48) involution — undirected(1,4,6,2)(3,9,11,7)(5,12,13,8)(10,15,16,14)(17,20)(18,22)(19,28)(21,27)(23,29)(24,30)(25,32)(26,31)(33,34)(35,39)(36,45)(37,42)(38,40)(41,46)(43,48)(44,47)(1,3)(2,7)(4,9)(5,10)(6,11)(8,14)(12,15)(13,16)(17,21,23,28)(18,26,25,30)(19,29,27,20)(22,24,32,31)(33,36,38,46)(34,41,40,45)(35,43,37,44)(39,47,42,48)(1,5)(2,8)(3,10)(4,12)(6,13)(7,14)(9,15)(11,16)(17,22)(18,20)(19,30)(21,31)(23,32)(24,28)(25,29)(26,27)(33,37,38,35)(34,42,40,39)(36,43,46,44)(41,47,45,48)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.